@charset "utf-8";
* {
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
}
*:focus {
  outline: none;
}
.css {
  -webkit-user-select: none;
  /*禁止ios和android用户选中文字*/
  -webkit-touch-callout: none;
  /*禁止ios 长按时不触发系统的菜单，禁止ios&android长按时下载图片*/
}
a {
  text-decoration: none;
}
ul,
ol,
li {
  list-style: none;
}
input,
textarea {
  -webkit-appearance: none;
  /*去除系统默认的样式*/
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-user-modify: read-write-plaintext-only;
}
a,
button {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
html {
  height: 100%;
  font-size: 100%;
}
body {
  width: 100%;
  font-size: 0.1rem;
  -webkit-touch-callout: none;
  font-family: -apple-system-font, "Helvetica Neue", Helvetica, "Hiragino Sans GB", "STHeitiSC-Light", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
}
.content {
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: -webkit-flex;
  -webkit-flex-direction: column;
}
/*<----------------------------------header部分------------------------------------>*/
.header {
  width: 100%;
  height: 2.5rem;
  background: #000;
  text-align: center;
  position: relative;
}
.header span {
  color: #fff;
  font-size: 1.2rem;
  line-height: 2.5rem;
}
/*<----------------------------------section部分------------------------------------>*/
.activity_box {
  width: 100%;
  -webkit-flex: 1;
  overflow-y: auto;
}
.activity_box .activity_content {
  width: 100%;
}
.activity_box .activity_content dl {
  width: 50%;
  height: 12rem;
  float: left;
  text-align: center;
  padding-top: 3rem;
}
.activity_box .activity_content dl:nth-child(2n-1) {
  border-right: 1px solid #000000;
}
.activity_box .activity_content dl:nth-child(1) {
  border-bottom: 1px solid #000000;
}
.activity_box .activity_content dl:nth-child(2) {
  border-bottom: 1px solid #000000;
}
.activity_box .activity_content dl dt {
  width: 100%;
}
.activity_box .activity_content dl dt img {
  width: 3.5rem;
  height: auto;
}
.activity_box .activity_content dl dd {
  font-size: 1rem;
  margin-top: 0.8rem;
}
.index-ad-box {
  position: relative;
  left: 0;
  top: 0;
  width: 100%;
  height: 16rem;
  overflow: hidden;
}
.index-ad-slide {
  height: 100%;
}
.index-ad-slide a {
  float: left;
  width: 20%;
  height: 100%;
}
.index-ad-0 {
  background: url(http://cdn.attach.w3cfuns.com/notes/pics/201603/24/121043lpx1gpwoxzjtm88w.jpg) no-repeat center / 100% 100%;
  background-color: red;
}
.index-ad-1 {
  background: url(http://cdn.attach.w3cfuns.com/notes/pics/201603/24/121040k7l1r6ulh634hw73.jpg) no-repeat center / 100% 100%;
  background-color: green;
}
.index-ad-2 {
  background: url(http://cdn.attach.w3cfuns.com/notes/pics/201603/24/121033yzpgsjxo36ejq6ug.jpg) no-repeat center / 100% 100%;
  background-color: blue;
}
.index-ad-fixed {
  position: absolute;
  left: 45%;
  bottom: .5rem;
  width: 3rem;
  height: .6rem;
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-around;
}
.index-ad-fixed a {
  float: left;
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: #76716f;
}
.index-ad-fixed .index-ad-fixed-on {
  background: #000000;
}
